Jpgraph Canvas.php:
<?php
/*=======================================================================
// File: JPGRAPH_CANVAS.PHP
// Description: Canvas drawing extension for JpGraph
// Created: 2001-01-08
// Author: Johan Persson (johanp <at> aditus <dot> nu)
// Ver: $Id: jpgraph_canvas.php, v 1.12 2003/01/09 12:56:56 aditus Exp $
//
// License: This code is released under QPL
// Copyright (C) 2001, 2002 Johan Persson
//========================================================================
*/
//===================================================
// CLASS CanvasGraph
// Description: Creates a simple canvas graph which
// might be used together with the basic Image drawing
// primitives. Useful to auickoly produce some arbitrary
// graphic which benefits from all the functionality in the
// graph liek caching for example.
//===================================================
class CanvasGraph extends Graph {
//---------------
// CONSTRUCTOR
function CanvasGraph($aWidth=300, $aHeight=200, $aCachedName="", $timeout=0, $inline=1) {
$this->Graph($aWidth, $aHeight, $aCachedName, $timeout, $inline);
}
//---------------
// PUBLIC METHODS
function InitFrame() {
$this->StrokePlotArea();
}
// Method description
function Stroke($aStrokeFileName="") {
if( $this->texts != null ) {
for($i=0; $i<count($this->texts); ++$i) {
$this->texts[$i]->Stroke($this->img);
}
}
$this->StrokeTitles();
// If the filename is given as the special _IMG_HANDLER
// then the image handler is returned and the image is NOT
// streamed back
if( $aStrokeFileName == _IMG_HANDLER ) {
return $this->img->img;
}
else {
// Finally stream the generated picture
$this->cache->PutAndStream($this->img, $this->cache_name, $this->inline,
$aStrokeFileName);
}
}
} // Class
/* EOF */
?>
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